Diego Cristin defeated Diego Hartfield 6-4 3-6 6-3 in the Bolivia F2 round of 16 on clay. The upset overturned the form book — Diego Hartfield came in leading the head-to-head 3–0. Diego Cristin claimed a first win over Diego Hartfield in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2004-09-06 | Argentina F5 | R16 | clay | Diego Hartfield | 6-4 3-6 7-6(5) |
| 2003-11-03 | Argentina F6 | R32 | clay | Diego Hartfield | 6-1 6-2 |
| 2003-10-20 | Argentina F4 | R16 | clay | Diego Hartfield | 6-2 6-3 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.